//
//  ViewController.m
//  demo
//
//  Created by chenzm on 2018/8/16.
//  Copyright © 2018年 chenzm. All rights reserved.
//

#import "ViewController.h"


#import<objc/runtime.h>

@interface ViewController ()
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor whiteColor];
}


@end
